The latest data released by the World Health Organization on the 25th showed that the total number of confirmed cases of covid-19 in the world reached 507501771. According to the latest data on the WHO website, as of 17:22 a.m. Central European time (23:22 a.m. Beijing time) on the 25th, the number of confirmed cases in the world increased by 348582 compared with the previous day, reaching 507501771; The number of deaths increased by 1227 to 6220390. (news agency)